msglist: Softly override mark-read-on-scroll setting in starred/mentions#1659

chrisbobbe wants to merge 1 commit intozulip:mainzulip/zulip-flutter:mainfrom

chrisbobbe:pr-soft-override-mark-read-scroll-starred-mentionschrisbobbe/zulip-flutter:pr-soft-override-mark-read-scroll-starred-mentionsCopy head branch name to clipboard